Home / 3,690.39-5,535.56-1,581.70

Finding the Fourth Proportional to 3,690.39, 5,535.56 and 1,581.70

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Solution

The fourth proportional to 3,690.39, 5,535.56 and 1,581.70 is: 2,372.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.39 : 5,535.56 = 1,581.70 : x
  2. Step 2: Convert to fraction form
    3,690.39/5,535.56 = 1,581.70/x
  3. Step 3: Cross multiply
    3,690.39x = 5,535.56 × 1,581.70
  4. Step 4: Simplify right side
    3,690.39x = 8,755,595.25
  5. Step 5: Solve for x
    x = 8,755,595.25/3,690.39
  6. Step 6: Final answer
    x = 2,372.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.